Download the software and unpack it with 7-zip or another tool that can unpack .7z.
Attach a RFID reader that uses the PCSC standard to your computer. We suggest the NFC RFID Reader / Writer ACR122U ISO 14443A/B - no other devices have been tested. If you want to try using a different reader: It has to support the PCSC standard.
Plug in a speaker. This is necessary to beep when transactions are started and finished. There are tiny speakers for less than $5 around that you could use for this.